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Z86C4312PSC View Datasheet(PDF) - Zilog

Part Name
Description
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Z86C4312PSC Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
PIN DESCRIPTION (Continued)
R//W
P25
P26
P27
P04
P05
P06
P14
P15
P07
VCC
P16
P17
XTAL2
XTAL1
P31
P32
P33
P34
/AS
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
10 Z86C43 31
11
30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
/DS
P24
P23
P22
P21
P20
P03
P13
P12
GND
P02
P11
P10
P01
P00
P30
P36
P37
P35
/RESET
Z86C33/C43
CP95DZ80202
40-Pin DIP Assignments
40-Pin Dual-In-Line Package Pin Identification
Pin # Symbol Function
Direction
Pin # Symbol Function
1
R//W
Read/Write
2-4 P25-27 Port 2, Pins 5,6,7
5-7 P04-06 Port 0, Pins 4,5,6
8-9 P14-15 Port 1, Pins 4,5
Output
In/Output
In/Output
In/Output
22 P35
23 P37
24 P36
25 P30
Port 3, Pin 5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
10
11
12-13
14
P07
V
CC
P16-17
XTAL2
Port 0, Pin 7
In/Output
Power Supply
Port 1, Pins 6,7
In/Output
Crystal, Oscillator Clock Output
26-27 P00-01
28-29 P10-11
30 P02
31 GND
Port 0, Pin 0,1
Port 1, Pin 0,1
Port 0, Pin 2
Ground
15 XTAL1
16-18 P31-33
19 P34
20 /AS
21 /RESET
Crystal, Oscillator Clock Input
Port 3, Pins 1,2,3
Input
Port 3, Pin 4
Output
Address Strobe
Output
Reset
Input
32-33 P12-13
34 P03
35-39 P20-24
40 /DS
Port 1, Pin 2,3
Port 0, Pin 3
Port 2, Pin 0,1,2,3,4
Data Strobe
Direction
Output
Output
Output
Input
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
Output
4
 

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